Can you think of any three-dimensional shape that comprises of exactly two surfaces?

What demands an answer, but asks no questions

What is full of holes but still holds water?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?